CCRL 40/15
Downloads and Statistics
April 12, 2021
Testing summary:
Total: 1'235'231 games
played by 2'819 programs

White wins: 423'584 (34.3%)
Black wins: 311'244 (25.2%)
Draws: 500'403 (40.5%)
White score: 54.5%

Engine Details

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Stockfish 2021-01-11 64-bit 4CPU (3551+20
−19
)Quote
Authors: Marco Costalba, Joona Kiiski, Stockfish team members Links: List of Authors, Homepage, Development Versions, Testing Framework
Stockfish was originally based on Glaurung by Tord Romstad.
This is one of the 124 Stockfish versions we tested: Compare them!
OpponentEloDiffResultsScoreLOSPerf
–   Fat Fritz 2 (in SF) 64-bit 4CPU3526+20
−19
(−25)16 − 16
(+2−2=28)
50.0%
16.0 / 32
96.7%
−25
= = 0 1 = = = 1 = = = = = = = = = = = = = = = = 0 = = = = = = =
–   Fat Fritz 2 (in SF) 64-bit3509+16
−16
(−42)27.5 − 24.5
(+4−1=47)
52.9%
27.5 / 52
99.9%
−29
= = = = = = = = = = = = 1 = = = = = = = = = = = = = = = = = = = = = 1 = = = = = = = = = 0 1 1 = = = = =
–   Dragon by Komodo 64-bit 4CPU3498+16
−16
(−53)30.5 − 19.5
(+11−0=39)
61.0%
30.5 / 50
100.0%
+4
= = = = = = 1 = = = = = = = = = = 1 = = = = 1 = = = = = = = 1 = 1 = = = 1 = = = 1 = 1 = 1 = 1 = 1 =
–   Dragon by Komodo 64-bit3472+15
−15
(−79)31 − 19
(+12−0=38)
62.0%
31.0 / 50
100.0%
−15
= = = = 1 = 1 = 1 = 1 = = = = = 1 = 1 = 1 = = = 1 = = = 1 = = = = = = = = = = 1 = = = = = = 1 = 1 =
–   Igel 3.0.0 64-bit 4CPU3401+23
−23
(−150)24.5 − 9.5
(+15−0=19)
72.1%
24.5 / 34
100.0%
−21
= 1 = = = 1 = = 1 = = = = = 1 1 1 1 1 1 = = 1 1 1 = = = = 1 = 1 = 1
–   Houdini 6 64-bit 4CPU3398+10
−10
(−153)40.5 − 9.5
(+31−0=19)
81.0%
40.5 / 50
100.0%
+53
1 = = 1 1 1 1 1 1 1 1 = 1 1 1 = 1 1 = = 1 1 1 = 1 = 1 = = = 1 1 1 = = = 1 1 = 1 = 1 1 1 = 1 = = 1 1
–   SlowChess Blitz 2.5 64-bit 4CPU3397+18
−18
(−154)23 − 9
(+14−0=18)
71.9%
23.0 / 32
100.0%
−24
= 1 = = = 1 = 1 = 1 = 1 = = = = = 1 1 1 = 1 1 = = = 1 1 = 1 = 1
–   Ethereal 12.75 64-bit 4CPU3393+16
−16
(−158)39 − 11
(+28−0=22)
78.0%
39.0 / 50
100.0%
+21
1 = 1 1 1 = 1 = 1 = 1 1 1 = 1 1 = 1 1 = = = 1 = = = 1 = 1 1 1 = = 1 1 = 1 = = 1 1 = 1 1 1 = 1 = = 1
–   Fire 8 64-bit 4CPU3391+18
−18
(−160)42.5 − 11.5
(+31−0=23)
78.7%
42.5 / 54
100.0%
+24
= 1 1 = 1 = = 1 = 1 = 1 = 1 1 = = 1 1 1 1 1 = 1 = = 1 1 1 = 1 1 1 1 1 = 1 = = 1 = = 1 1 = 1 = 1 = = 1 1 = 1
–   Nemorino 6.00 64-bit 4CPU3384+17
−17
(−167)36.5 − 13.5
(+23−0=27)
73.0%
36.5 / 50
100.0%
−30
1 = 1 1 1 = = = 1 = = 1 1 = 1 1 1 = = 1 = = = 1 = 1 = = 1 = 1 = 1 = = 1 1 = = 1 1 = = = 1 = 1 = 1 =
–   Igel 2.9.0 64-bit 4CPU3362+16
−16
(−189)35 − 15
(+21−1=28)
70.0%
35.0 / 50
100.0%
−72
= 1 = 1 = = 0 1 1 1 = 1 = 1 = 1 = 1 1 = = = = = 1 1 = 1 = 1 = = = = = = = 1 1 1 1 = = 1 1 = 1 = = =
–   Igel 2.8.0 64-bit 4CPU3360+25
−25
(−191)54 − 12
(+42−0=24)
81.8%
54.0 / 66
100.0%
+24
= 1 = = = = = 1 1 = 1 = 1 1 1 1 1 1 = 1 1 1 1 1 = = 1 1 = 1 1 1 1 = = 1 1 = = 1 = 1 1 = = 1 = 1 1 1 1 1 1 1 1 1 = 1 1 1 = 1 = 1 = 1
–   SlowChess Blitz 2.4 64-bit 4CPU3357+21
−22
(−194)39.5 − 10.5
(+29−0=21)
79.0%
39.5 / 50
100.0%
−6
1 = 1 1 = 1 = 1 = = = = 1 = = 1 1 = 1 1 1 1 1 1 = = 1 = 1 = 1 = 1 1 1 = = 1 1 1 1 = 1 = 1 = 1 1 1 =
–   Xiphos 0.6 64-bit 4CPU3330+13
−13
(−221)43 − 7
(+36−0=14)
86.0%
43.0 / 50
100.0%
+46
1 = = = 1 1 1 1 1 1 1 1 1 1 1 = 1 1 1 1 1 = 1 1 1 = 1 1 1 = 1 1 1 = 1 = 1 = = 1 1 = 1 1 1 = 1 1 = 1
–   Fire 7.1 64-bit 4CPU3321+11
−11
(−230)44 − 6
(+38−0=12)
88.0%
44.0 / 50
100.0%
+65
1 1 1 1 1 1 = = 1 1 1 = = 1 1 1 1 1 = 1 = 1 1 1 1 1 1 = 1 1 = = 1 = 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 =
–   RofChade 2.3 64-bit 4CPU3312+14
−14
(−239)41.5 − 8.5
(+33−0=17)
83.0%
41.5 / 50
100.0%
−8
1 1 1 = 1 1 1 1 = 1 1 1 1 = 1 = 1 = = 1 1 1 1 1 = = 1 = 1 1 1 = 1 = 1 = 1 1 1 = 1 = 1 = 1 1 1 = 1 =
–   Pedone 3.0 64-bit 4CPU3303+19
−19
(−248)41.5 − 8.5
(+33−0=17)
83.0%
41.5 / 50
100.0%
−17
1 1 1 1 1 1 = 1 1 1 1 = = 1 1 1 1 = 1 = 1 = 1 = 1 = 1 = 1 1 = 1 1 = 1 = 1 1 1 = 1 = 1 = 1 1 1 = 1 =
–   Booot 6.4 64-bit 4CPU3297+15
−15
(−254)47 − 5
(+42−0=10)
90.4%
47.0 / 52
100.0%
+81
1 1 1 1 1 = 1 = 1 1 = 1 1 1 1 1 1 1 1 = 1 = 1 1 1 1 1 1 1 1 = 1 1 1 1 1 1 1 1 1 1 1 = = 1 = 1 1 1 = 1 1

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Created in 2005-2013 by CCRL team
Last games added on April 12, 2021